A simple string matcher in Ruby

string_matcher.rb

class String
  def method_missing(method, *args, &block)
    method_name = method.to_s
    if method_name.include?("is_") && method_name.include?("?")
      method_name = method_name.gsub("is_", "")[0..-2]
      (method_name == self) || (method_name.camelize == self) || (method_name.titleize == self) || (method_name.gsub(" ", "") == self)
    else
      super(method, *args, &block)
    end
  end
end

# "kamesh waran".is_kamesh_waran? # returns true
# "kamesh_waran".is_kamesh_waran? # returns true
# "Kamesh Waran".is_kamesh_waran? # returns true